摘要： According to Best Practices for Speeding Up Your Web Site, 80% of the end-user response time is spent on the front-end. Most of this time is tied up in downloading all the components in the page: images, stylesheets, scripts, Flash, etc. So it's bother-worthy to put attention on the front-end, though, there are also a lot of things need to handle in the back-end. This post will talk ab 阅读全文